一家在美国二叠纪盆地卖沙子给油井的公司，它卖的沙子专门用作水裂压力法在页岩地质中开采油气。很有意思的一家公司，值得看看。
参照valueline格式
22Q4/23Q1/Q2/Q3
Revenue
$1.50亿/1.53/1.62/1.58
Depreciation
$0.08亿/0.09/0.09/0.10
GM
50%/53%/55%/50%
SG&A
$0.08亿/0.09/0.12/0.14
Operating income
$0.67亿/0.74/0.77/0.65
Interest expense
$0.040亿/0.034/0.005/0.015
Tax rate
0.6%/10.8%/6.6%/11.9%
Net income
$0.63亿/0.63/0.71/0.56
Capex
Maintenance $0.08亿/0.07/0.11/0.15
Growth $0.33亿/0.61/0.96/1.23
Property assets
$5.4亿/6.0/7.0/8.3
Long-term debt
$1.3亿/1.1/1.0/1.7
Total assets
$7.5亿/11.0/12.0/12.4
Shareholder equity
$5.1亿/8.3/8.8/9.1
ROA
8.4%/5.7%/5.9%/4.5%
Trailing 24.5%
ROE
12.4%/7.6%/8.1%/6.2%
Trailing 34.3%
Sustained FCF(subjective)
(季度利润0.6x4)x产能提升1.5x整体折扣0.8+季度折旧0.1x4-年度维护性资本投入0.5=$2.8亿